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ATP1B3
Identifiers
Aliases	ATP1B3, ATPB-3, CD298, ATPase Na+/K+ transporting subunit beta 3
External IDs	OMIM: 601867; MGI: 107788; HomoloGene: 37510; GeneCards: ATP1B3; OMA:ATP1B3 - orthologs
Gene location (Human) Chr. Chromosome 3 (human) Band 3q23 Start 141,876,124 bp End 141,926,549 bp
Gene location (Mouse) Chr. Chromosome 9 (mouse) Band 9 E3.3|9 50.31 cM Start 96,214,708 bp End 96,246,495 bp
RNA expression pattern Bgee Human Mouse (ortholog) Top expressed in sperm skin of thigh skin of hip gingival epithelium mucosa of colon mucosa of pharynx stromal cell of endometrium vulva mucosa of sigmoid colon mucosa of transverse colon Top expressed in sciatic nerve epithelium of lens seminiferous tubule choroid plexus of fourth ventricle corneal stroma gastrula molar utricle skin of external ear superior surface of tongue More reference expression data BioGPS n/a
Gene ontology Molecular function ATPase binding P-type sodium:potassium-exchanging transporter activity ATPase activator activity Cellular component cytoplasm integral component of membrane membrane melanosome plasma membrane sodium:potassium-exchanging ATPase complex caveola extracellular exosome Biological process regulation of cardiac conduction positive regulation of ATP-dependent activity positive regulation of sodium ion export across plasma membrane sodium ion transport cellular sodium ion homeostasis sodium ion export across plasma membrane metal ion transport positive regulation of potassium ion import across plasma membrane protein stabilization ion transport cellular potassium ion homeostasis potassium ion transport membrane repolarization ion transmembrane transport protein localization to plasma membrane leukocyte migration positive regulation of potassium ion transmembrane transporter activity establishment or maintenance of transmembrane electrochemical gradient transport potassium ion import across plasma membrane Sources:Amigo / QuickGO
Orthologs Species Human Mouse Entrez 483 11933 Ensembl ENSG00000069849 ENSMUSG00000032412 UniProt P54709 P97370 RefSeq (mRNA) NM_001679 NM_007502 NM_001357212 NM_001357213 RefSeq (protein) NP_001670 NP_031528 NP_001344141 NP_001344142 Location (UCSC) Chr 3: 141.88 – 141.93 Mb Chr 9: 96.21 – 96.25 Mb PubMed search
Wikidata
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Sodium/potassium-transporting ATPase subunit beta-3 is an enzyme that in humans is encoded by the ATP1B3 gene. ATP1B3 has also been designated as CD298 (cluster of differentiation 298).

The protein encoded by this gene belongs to the family of Na+/K+ and H+/K+ ATPases beta chain proteins, and to the subfamily of Na+/K+ -ATPases. Na+/K+ -ATPase is an integral membrane protein responsible for establishing and maintaining the electrochemical gradients of Na and K ions across the plasma membrane. These gradients are essential for osmoregulation, for sodium-coupled transport of a variety of organic and inorganic molecules, and for electrical excitability of nerve and muscle. This enzyme is composed of two subunits, a large catalytic subunit (alpha) and a smaller glycoprotein subunit (beta). The beta subunit regulates, through assembly of alpha/beta heterodimers, the number of sodium pumps transported to the plasma membrane. The glycoprotein subunit of Na+/K+ -ATPase is encoded by multiple genes. This gene encodes a beta 3 subunit. A pseudogene exists for this gene, and it is located on chromosome 2.

References

1. ^ GRCh38: Ensembl release 89: ENSG00000069849 – Ensembl, May 2017
2. ^ GRCm38: Ensembl release 89: ENSMUSG00000032412 – Ensembl, May 2017
3. "Human PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
4. "Mouse PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
5. Malik N, Canfield VA, Beckers MC, Gros P, Levenson R (Nov 1996). "Identification of the mammalian Na,K-ATPase 3 subunit". J Biol Chem. 271 (37): 22754–8. doi:10.1074/jbc.271.37.22754. PMID 8798450.
6. Malik N, Canfield V, Sanchez-Watts G, Watts AG, Scherer S, Beatty BG, Gros P, Levenson R (Mar 1998). "Structural organization and chromosomal localization of the human Na,K-ATPase beta 3 subunit gene and pseudogene". Mamm Genome. 9 (2): 136–43. doi:10.1007/s003359900704. PMID 9457675. S2CID 31228553.
7. ^ "Entrez Gene: ATP1B3 ATPase, Na+/K+ transporting, beta 3 polypeptide".

Further reading

• Lingrel JB, Orlowski J, Shull MM, Price EM (1990). "Molecular genetics of Na,K-ATPase". Prog. Nucleic Acid Res. Mol. Biol. Progress in Nucleic Acid Research and Molecular Biology. 38: 37–89. doi:10.1016/S0079-6603(08)60708-4. ISBN 978-0-12-540038-1. PMID 2158121.
• Jørgensen PL (1982). "Mechanism of the Na+, K+ pump. Protein structure and conformations of the pure (Na+ +K+)-ATPase". Biochim. Biophys. Acta. 694 (1): 27–68. doi:10.1016/0304-4157(82)90013-2. PMID 6289898.
• Chiampanichayakul S, Szekeres A, Khunkaewla P, et al. (2003). "Engagement of Na,K-ATPase beta3 subunit by a specific mAb suppresses T and B lymphocyte activation". Int. Immunol. 14 (12): 1407–14. doi:10.1093/intimm/dxf112. PMID 12456588.
• Strausberg RL, Feingold EA, Grouse LH, et al. (2003). "Generation and initial analysis of more than 15,000 full-length human and mouse cDNA sequences". Proc. Natl. Acad. Sci. U.S.A. 99 (26): 16899–903. Bibcode:2002PNAS...9916899M. doi:10.1073/pnas.242603899. PMC 139241. PMID 12477932.
• Zhang H, Li XJ, Martin DB, Aebersold R (2003). "Identification and quantification of N-linked glycoproteins using hydrazide chemistry, stable isotope labeling and mass spectrometry". Nat. Biotechnol. 21 (6): 660–6. doi:10.1038/nbt827. PMID 12754519. S2CID 581283.
• Ota T, Suzuki Y, Nishikawa T, et al. (2004). "Complete sequencing and characterization of 21,243 full-length human cDNAs". Nat. Genet. 36 (1): 40–5. doi:10.1038/ng1285. PMID 14702039.
• Gerhard DS, Wagner L, Feingold EA, et al. (2004). "The Status, Quality, and Expansion of the NIH Full-Length cDNA Project: The Mammalian Gene Collection (MGC)". Genome Res. 14 (10B): 2121–7. doi:10.1101/gr.2596504. PMC 528928. PMID 15489334.
• Chi A, Valencia JC, Hu ZZ, et al. (2007). "Proteomic and bioinformatic characterization of the biogenesis and function of melanosomes". J. Proteome Res. 5 (11): 3135–44. doi:10.1021/pr060363j. PMID 17081065.
• Chiampanichayakul S, Khunkaewla P, Pata S, Kasinrerk W (2007). "Na, K ATPase beta3 subunit (CD298): association with alpha subunit and expression on peripheral blood cells". Tissue Antigens. 68 (6): 509–17. doi:10.1111/j.1399-0039.2006.00726.x. PMID 17176442.
• Ewing RM, Chu P, Elisma F, et al. (2007). "Large-scale mapping of human protein–protein interactions by mass spectrometry". Mol. Syst. Biol. 3 (1): 89. doi:10.1038/msb4100134. PMC 1847948. PMID 17353931.
• Aughey RJ, Murphy KT, Clark SA, et al. (2007). "Muscle Na+-K+-ATPase activity and isoform adaptations to intense interval exercise and training in well-trained athletes". J. Appl. Physiol. 103 (1): 39–47. doi:10.1152/japplphysiol.00236.2006. PMID 17446412. S2CID 7370462.

External links

• ATP1B3+protein,+human at the U.S. National Library of Medicine Medical Subject Headings (MeSH)
• Human ATP1B3 genome location and ATP1B3 gene details page in the UCSC Genome Browser.

This article incorporates text from the United States National Library of Medicine, which is in the public domain.

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